Telephone base



FIG. 1 is a left side, top and front perspective view of a telephone base showing our new design;

FIG. 2 is a front elevational view;

FIG. 3 is a top plan view;

FIG. 4 is a rear elevational view;

FIG. 5 is a right side elevational view;

FIG. 6 is a left elevational view; and

FIG. 7 is a bottom plan view. 

The ornamental design for a telephone base, substantially as shown and described. 